<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>404 Not Found</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      text-align: center;
      background-color: #f5f5f5;
    }

    h1 {
      color: #333;
      font-size: 36px;
      margin-top: 50px;
    }
  </style>
</head>

<body>
  <h1>404 Not Found</h1>
  <p>The page you are looking for could not be found.</p>
</body>

</html>